The coal industry must evolve or risk becoming obsolete. Adaptation is the key to survival.

The act of writing is an act of optimism.

释义：天地顺自然而动，所以日月运行不会有差错，四季的更替也不会有差错。圣人顺自然之理而动，则刑罚清明而百姓顺服。

释义：如果不能长久地保持其君子之德，就可能蒙受羞辱。